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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2006.11
- 수록면
- 28 - 42 (15page)
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Tannins are phenolic compounds that precipitate proteins and composed of a very diverse group of oligomers and polymers. Tannins are potential biological antioxidants, which are widely believed to be an important line of defense against oxidative damage and may participate in the prevention of cancer and cardiovascular disease. Persimmon(Diospyros kaki L.) has been cultivated in East Asia and is a good source of nutritional antioxidant vitamins, carotenoids and tannins. In general persimmon peel was regarded as a waste matter, although based on recent studies, the peel contains more carotenoids and polyphenols than pulp. Several investigation conducted in experimental animals have reported that dietary persimmon fruit and peel effectively lowered the levels of plasma total cholesterol and LDL-cholesterol.
We conducted experiments to investigate in vitro antioxidative activities of persimmon peel powder (PP) and its soluble tannin extract (ST) and their dietary effects on productive performances and physiological responses in poultry. The PP and ST exhibitedin vitro antioxidative activity in SODlike activity model. The yolk color and eggshell color were significantly improved by the addition of PP and ST into layer diets. The contents of total cholesterol, triacylglycerol and phospholipid of liver in the groups fed diets containing PP and ST tended to be reduce as compared with those of control. With adding of PP and ST, Haugh unit was increased after 7 and 14 days of storage. In conclusion, PP and ST can be used as valuable feed additives for reducing hepatic lipid contents without harmful effects on overall productive performances and physiological responses in laying hens.
We conducted experiments to investigate in vitro antioxidative activities of persimmon peel powder (PP) and its soluble tannin extract (ST) and their dietary effects on productive performances and physiological responses in poultry. The PP and ST exhibitedin vitro antioxidative activity in SODlike activity model. The yolk color and eggshell color were significantly improved by the addition of PP and ST into layer diets. The contents of total cholesterol, triacylglycerol and phospholipid of liver in the groups fed diets containing PP and ST tended to be reduce as compared with those of control. With adding of PP and ST, Haugh unit was increased after 7 and 14 days of storage. In conclusion, PP and ST can be used as valuable feed additives for reducing hepatic lipid contents without harmful effects on overall productive performances and physiological responses in laying hens.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 탄닌의 종류, 화학적 구조 및 분포
Ⅲ. 항영양인자로서의 탄닌
Ⅳ. 생리적 기능성 물질로서의 탄닌
Ⅴ. 감과 감 부산물의 활용 가치
Ⅵ. 결론
Ⅶ. 인용문헌
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